All 3 Fresca flavors are definitely diet and already have the "zero" blend of sweeteners. We have Pibb Zero here also.

Re: Pepsi Jazz. Brad brought us a couple of samples of the 2 Jazz flavors. The Strawberries and Cream Diet Pepsi Jazz was actually pretty decent. The "Black Cherry and French Vanilla" is about as good as Coke's implementation. In other words, only in a pinch.

Pepsi is also extending their "One" line to embrace the old "Slice" line. The berry is berry good and the orange is also good. I'm not a grape drinker, so I haven't tried that.